Seiko Cal. 3820 - 864

The Seiko 3820-864 represents an important milestone in Seiko's 1982 lineup. Powered by the 3820 caliber with 28j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-683fce88761a]

Also known as: Sea Horse, Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1982

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